JACOB CO "Five Time Zone". Chronograph wristwatch, round steel case with two removable bezels, one smooth and one set with white stones, black guilloche dial applied with Arabic numerals, four polychrome windows indicating L.A., Tokyo, Paris and New York, date window at 6:00, black leather strap and adjustable steel pin buckle. Quartz movement. Signed on the dial, back, strap and buckle. Back number 13286. Case diameter: 5.2 cm - Length: 16 to 22 cm The study is at your entire disposal to share its observations on the state of operation of the watch mechanisms, but but cannot guarantee the level of expertise of a watchmaker.